python_base={
       
        "IDE":{ 
               "IDLE":["操作,100（90）","意义,100（70）"]
               "JUPYTE":["操作,100（90）","意义,100（80）"]
               "pycharm":["操作,100（75）","意义,100（80）"]
              }
        
        "Python的标准库":{
                         ["操作,100（70）","意义,100（80）"]
                       
                        
                         }
        
         "运算符":{
                 ["操作,100（75）","意义,100（80）"]
                  
                  }
        
         "流程控制语句"：{
                         ["操作,100（75）","意义,100（75)"]
                       "if 语句":{["操作,100（85）", "意义,100(85)"] ,
                         #if
                         #elif
                         #else
                          }                                            
                        "for循环以及range内置函数":{ "for循环":["操作,100（75）","意义,100（80）"],
                         "range内置函数":["range(stop),操作,100(75),意义,100(75)",
                         "range(start,stop,step),操作,100(75),意义,100(80)"],
                        }

        "基本输入和输出":{
                         ["操作,100（80）","意义,100（80）"]
                         
                         
                        }

          "字符串":{
                    "字符串的合并":["操作,100(75)","意义,100(80)"]
                     ".join()":["操作,100(75)","意义,100(75)"],       
                     "str.split（）":["操作,100(70)","意义,100(75)"],
                     "str.count()":["操作,100(65)","意义,100(80)"],
                     "str.isdigit":["操作,100(65)","意义,100(70)"],
      
    },

                    }
        
         "列表":{
                 "列表切片":"list[start,end,step]","操作,100(70)","意义,100(80)" 
                } 
        "列表方法":{
            "list.append(obj)":["操作,100(70)","意义,100(75)"],           
            "list.extend(obj)":["操作,100(75)","意义,100(70)"],            
            "list.count(obj)":["操作,100(70)","意义,100(70)"],           
            "list.insert(index,obj)":["操作,100(75)","意义,100(80)"],            
            "list.index(obj)":["操作,100(70)","意义,100(80)"],          
            "list.pop()":["操作,100(75)","意义,100(80)"],         
            "list.remove(obj)":["操作,100(70)","意义,100(80)"],          
            "list.reverse()":["操作,100(60)","意义,100(975)"],         
            "list.clear()":["操作,100(70)","意义,100(75)"],           
            "list.copy()":["操作,100(65)","意义,100(80)"],         
            "list.sort":["操作,100(70)","意义,100(80)"],
            
         }
    }

         "字典":{
                 ["操作,100(75)","意义,100(80)"]
         }
        "访问字典里的值":["操作,100(70)","意义,100(98)"],
       "修改字典的值":["操作,100(70)","意义,100(98)"],
       "删除字典元素":["操作,100(75)","意义,100(98)"],
       "字典的内置函数":{
         "len(dict)":["操作,100(75)","意义,100(98)"],
        "str(dict)":["操作,100(70)","意义,100(98)"],
      "字典的内置方法":{
            "dict.clear()":["操作,100(75)","意义,100(90)"],
            "dict.copy()":["操作,100(75)","意义,100(80)"],
           "dict.get(key, default=None)":["操作,100(70)","意义,100(80)"],
           "dict.items()":["操作,100(75)","意义,100(95)"],
           "dict.keys()":["操作,100(75)","意义,100(90)"],
           "dict.setdefault(key, default=None)":["操作,100(75)","意义,100(80)"],
           "dict.values()":["操作,100(75","意义,100(75)"],
           "dict.update(dict2)":["操作,100(75)","意义,100(80)"],
           "pop(key[,default])":["操作,100(70)","意义,100(80)"],
          "popitem()":["操作,100(70)","意义,100(90)"],
           
         }
    },

                 }

         "集合":{
                 ["操作,100(75)","意义,100(80)"]
         }
         "集合的方法":{
            "set.add()":["操作,100(85)","意义,100(75)"],            
            "set.clear()":["操作,100(85)","意义,100(75)"],           
            "set.copy()":["操作,100(75)","意义,100(75)"],
            "set.difference()":["操作,100(75)","意义,100(75)"],
            "set.intersection()":["操作,100(65)","意义,100(80)"],
            "set.isdisjoint()":["操作,100(60)","意义,100(80)"],
            "set.pop()":["操作,100(70)","意义,100(80)"],
          
}

                 }
    

       "函数和模块":{
                    "函数关键字def return":["操作,100(75)","意义,100(85)"],
                    "函数两种添加注释方法":["操作,100(75)","意义,100(90)"],
                    "函数的*args用法":["操作,100(75)","意义,100(90)"],
                    "函数的**kwargs用法":["操作,100(70)","意义,100(90)"],     
                    "函数的调用 import":["操作,100(75)","意义,100(80)"],
                    "函数的as用法":["操作,100(60)","意义,100(100)"],
                    "从模块中导入函数":["操作,100(70)","意义,100(85)"],
    

                      
                      }

        
